Mobile Software Engineer

Hyphen Connect Limited

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Japan Until 8/21/2026 First posted March 10, 2026 Last posted March 10, 2026
Job description

Summary: Join a leading non-custodial wallet provider committed to bringing the next billion users into the world of decentralized finance (DeFi). We are seeking a talented mobile application developer to build high-security mobile applications and implement advanced biometric authentication and secure key storage solutions.

Responsibilities:

  • Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin.
  • Implement and enhance biometric authentication features to ensure user security.
  • Design and manage secure key storage systems.
  • Collaborate with cross-functional teams to define, design, and deliver new features.
  • Troubleshoot and debug to improve application performance.
  • Stay updated with emerging technologies and propose enhancements to improve user experience.

Required Skills:

  • 3+ years of experience in mobile application development using React Native, Swift, or Kotlin.
  • Strong understanding of mobile security principles and best practices.
  • Experience with implementing biometric authentication.
  • Knowledge of secure key storage methodologies.
  • Excellent problem-solving skills and attention to detail.
  • Strong communication and teamwork abilities.

 

 

About this role

Summary

Develop high-security mobile apps, implement biometric authentication, manage secure key storage, and collaborate on features.

Job title

Mobile Software Engineer

Experience level

3+ years

Industry

software

Location requirements

Japan, remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

react nativeswiftkotlinmobile securitybiometric authenticationkey storageproblem-solvingcommunication

Preferred skills

None specified

Specializations

mobile developmentsecuritybiometric authenticationsecure key storage
Locations

Structured locations inferred from the posting.

Japan

Work arrangement unknown Country